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Review & Installation Video

Review & Install Video

Ready To Rock! These are the same exact premium mufflers that are included as original factory equipment on the Ford Mustang RTR designed and developed by Vaughn Gittin Jr. This RTR Axle-back not only looks and sounds great, but will also improve your Mustangs exhaust flow for an increase of up to 9 horsepower at the rear wheels. This system was made in close collaboration with Magnaflow Exhaust.

Loud Aggressive Sound. RTR worked closely with Magnaflow to achieve a very unique aggressive sound that gets rid of the robotic tones of the Coyotes variable cams for a clean and crisp consistent exhaust note with very minimal in car "drone."

Black Ceramic Coating. This RTR Tactical Performance Street Spec Axle-Back has been finished with a Black Ceramic protective coating that not only gives this exhaust a dark and intimidating appeal, but it also provides a high temperature thermal barrier for additional protection from the elements.

Lightweight. The RTR Tactical Performance Street Spec Exhaust is 14 lbs. lighter than the factory Ford axle-back system making it perfect for street, track and drag racers who are looking to shed unwanted weight in the pursuit of quicker times.

Direct Bolt-On Installation. Engineered to be a direct upgrade replacement, this RTR Axle-Back will easily bolt straight up to the factory piping without any modifications or special tools required for an easy installation.

Most Helpful Reviews

4/5

Deep!

I got this muffler, litterly the same week CDC released it for sale.
I've been looking for something that was nice and mellow with a deep growl. (aka the 80's 5.0 days)
Upon scouring youtube I settled ...
on Magnaflow Street series.
But then I saw a vid of the RTR being tested #at the time the only vid available#, with these mufflers.
They sounded awesome. So these became my new must haves.
Finally got them orderd and installed...
Started the pony up and heard a super deep growl that reverberated against the garage walls.
Way louder then I expected them to be.
So much so, that I wanted them off. I needed something quieter.
But then I drove around for a couple weeks and realized, yeah they are louder than I wanted, but they sound pretty good.
And they really do fit the 5.0 muscle profile perfectly.
Now I feel like driving my car just to hear the things!
What a turnaround that was.
So the best way to describe them:
-Take a Magnaflow Street and a Magnaflow Competition series and put them together. So litterly a straight-pipe with a chambered half.
-very,very,deep growl sound, especialy between 1000-2000rpm.
-but higher RPMs actaully get's a bit quieter.
-sound is smooth, not tinny or ratty
-let off the throttle and you hear a nice deep burble. During downshitts too. This has to be one of the best features of this exaust.
So in conclusion:
This muffler is NOT for you, if your looking for:
-a quiet muffler
-a super load muffler
-a ratty tinny muffler, #like all the other straight thrus out there)
This muffler IS for you, if your looking for:
-deep,smooth growl
-deep backfire
-louder than stock by factor of 3
-listening to a V8 sound track while you drive
As a side note:
I've heard from a couple people that the exaust sounds like a proper V8 exhuast, not soemthign over the top, too much.
And suprisingly, Crazy as it sounds.
I've actually noticed a slight performance boost, the car seems to breath a bit easier. Smoother throtle through the range.

I'm Ready to Rock

I, like Cannonballer, purchased this exhaust just a week or two after it first came out. It was not available yet through American Muscle, or I would've purchased it here. I was fortunate enough to hear ...
this exhaust in person on RTR #4 here in Charleston, SC. I was trying to decide between an MBRP exhaust and Borla, but as soon as I heard that RTR crank, i was done shopping.
Incredible sound at crank. Deep, loud, rumble. Cold crank gives you 15 to 20 seconds of 8/10 loud, then it quiets down to nice mellow rumble. Hit the gas and it wakes up and sounds like a v8 should. What I love about this exhaust is that there is no rasp and no pop. The new 5.0, and 3.7 for that matter, are so poppy, and I hate that. This RTR eliminates that pop, even during deceleration (which by the way sounds absolutely wicked). When I think v8 sound, I think RTR up to roughly 2500 rpms. In fact, when I first cranked it at work, my workmate (a Corvette owner) said its perfect, nice low rumble, mellow, no pop. "Absolutely perfect" he said. But i say, not so fast...
Now, i gave it 4stars because I want that sweet sound I hear below 2500 rpms to be there up top too. Unfortunately, its not. The exhaust quiets down dramatically while accelerating, the exact opposite of what I was hoping for. At Mustang Week 2012 Vaughn Gittin Jr. described it as a "robotic sound". Ummm, ok...if you say so. But more than anything it just gets quiet and that's a shame.
Now, Vaughn Gittin Jr. also claimed that this exhaust netted a 9hp gain. Is it true? I have no idea, there is no way that I would feel 9hp. But what I did feel was smoother acceleration. All through the RPM range, the 5.0 pulls with no lag and throttle response is excellent. That's a testament to the car itself, but I do feel like this was increased by the exhaust.
All in all, I really like it, but don't quite love it. If it kept its volume through the rpm range, it would be a perfect 5 stars.

are these more quiet than the FRPP M-5230-MGTLA? I will be adding JBA LTH and H-Pipe, don't need to shatter neighbors windows. So I need quiet as possible since the LTH and H-pipe will add volume. thanks.

rmb

These will not have the same throaty tone of the Ford Performance as the Ford Performance axle-back has a straight through design. The RTR will have a loud and aggressive sound but it will not be on the decibel level of the Ford Performance.

Any of that iritating popping sound when letting off the throttle after wide open throttle?

Tony2012

When it comes to putting exhaust on these Mustangs you will always notice a slight popping noise when you let off the gas. But the RTR Tactical Performance Street Spec Axle-Back Exhaust w/ Black Tips seems to have the smallest amount of that with almost no popping when you let off the gas out of all of the exhausts. I think this exhaust will be perfect for you!

With kooks long tubes? From what I am reading, these are very loud with the factory exhaust manifold, so how obnoxious would these be with a set of kooks long tubes and catted h pipe??

Alex3209

It would be difficult to say as sound is subjective, however, the RTR Tactical Performance Street Spec Axle-Back Exhaust with long tubes and a mid-pipe will be much louder than the stock exhaust. I would highly recommend listening to a few sound clips to see if this is something that you would be interested in.

Cat deletes ? Did anyone ever have these mufflers with an off road x or h ? If so how did it sound and how is the cold start ?

thtpolishkid

I have personally used the RTR Tactical Performance Street Spec Axle-Back Exhaust w/ Black Tips (11-14 GT) with an off-road X pipe. I like the sound, it was nice and loud with a rumble. I suggest you look up some video clips online or try to listen to that setup in person to help you better understand how it will sound!

Unfortunately, this axle-back will only fit properly on the GT. We have several other options for your V6 that can be found here: http://www.americanmuscle.com/2010-mustang-axleback-exhaust.html. Just make sure to click on the filter at the top for 2013 V6. Hope this helps!

I got this muffler, litterly the same week CDC released it for sale.
I've been looking for something that was nice and mellow with a deep growl. (aka the 80's 5.0 days)
Upon scouring youtube I settled on Magnaflow Street series.
But then I saw a vid of the RTR being tested #at the time the only vid available#, with these mufflers.
They sounded awesome. So these became my new must haves.
Finally got them orderd and installed...
Started the pony up and heard a super deep growl that reverberated against the garage walls.
Way louder then I expected them to be.
So much so, that I wanted them off. I needed something quieter.
But then I drove around for a couple weeks and realized, yeah they are louder than I wanted, but they sound pretty good.
And they really do fit the 5.0 muscle profile perfectly.
Now I feel like driving my car just to hear the things!
What a turnaround that was.
So the best way to describe them:
-Take a Magnaflow Street and a Magnaflow Competition series and put them together. So litterly a straight-pipe with a chambered half.
-very,very,deep growl sound, especialy between 1000-2000rpm.
-but higher RPMs actaully get's a bit quieter.
-sound is smooth, not tinny or ratty
-let off the throttle and you hear a nice deep burble. During downshitts too. This has to be one of the best features of this exaust.
So in conclusion:
This muffler is NOT for you, if your looking for:
-a quiet muffler
-a super load muffler
-a ratty tinny muffler, #like all the other straight thrus out there)
This muffler IS for you, if your looking for:
-deep,smooth growl
-deep backfire
-louder than stock by factor of 3
-listening to a V8 sound track while you drive
As a side note:
I've heard from a couple people that the exaust sounds like a proper V8 exhuast, not soemthign over the top, too much.
And suprisingly, Crazy as it sounds.
I've actually noticed a slight performance boost, the car seems to breath a bit easier. Smoother throtle through the range.

I, like Cannonballer, purchased this exhaust just a week or two after it first came out. It was not available yet through American Muscle, or I would've purchased it here. I was fortunate enough to hear this exhaust in person on RTR #4 here in Charleston, SC. I was trying to decide between an MBRP exhaust and Borla, but as soon as I heard that RTR crank, i was done shopping.
Incredible sound at crank. Deep, loud, rumble. Cold crank gives you 15 to 20 seconds of 8/10 loud, then it quiets down to nice mellow rumble. Hit the gas and it wakes up and sounds like a v8 should. What I love about this exhaust is that there is no rasp and no pop. The new 5.0, and 3.7 for that matter, are so poppy, and I hate that. This RTR eliminates that pop, even during deceleration (which by the way sounds absolutely wicked). When I think v8 sound, I think RTR up to roughly 2500 rpms. In fact, when I first cranked it at work, my workmate (a Corvette owner) said its perfect, nice low rumble, mellow, no pop. "Absolutely perfect" he said. But i say, not so fast...
Now, i gave it 4stars because I want that sweet sound I hear below 2500 rpms to be there up top too. Unfortunately, its not. The exhaust quiets down dramatically while accelerating, the exact opposite of what I was hoping for. At Mustang Week 2012 Vaughn Gittin Jr. described it as a "robotic sound". Ummm, ok...if you say so. But more than anything it just gets quiet and that's a shame.
Now, Vaughn Gittin Jr. also claimed that this exhaust netted a 9hp gain. Is it true? I have no idea, there is no way that I would feel 9hp. But what I did feel was smoother acceleration. All through the RPM range, the 5.0 pulls with no lag and throttle response is excellent. That's a testament to the car itself, but I do feel like this was increased by the exhaust.
All in all, I really like it, but don't quite love it. If it kept its volume through the rpm range, it would be a perfect 5 stars.

Response from AmericanMuscle

Just wanted to note, these RTR mufflers get rid of the robotic sound of the factory Mustang and I believe that is what Vaughn was describing. Hope this clears up any confusion.

Lisa
, Customer Care

5/5

December 04, 2012

High quality, deep sounded muffler.

I'm satisfied with this muffer, I had 4 sets of mufflers, so I'm not just saying because I'm having it.
I had Ford Racing GT500 Style muffler, Pype muffler and Flowmaster muffler.
RTR muffler:
This muffler sound deep but not that loud, you feel deep bewteen 1500rpm-2000rpm. And the quality of this muffler is great. Overall, it worth your money. (Not to buy this muffler if you want a loud one.)
GT500 Style muffer:
This muffler is the deepest sounded muffler on a GT I've seen so far, so if you want deep sound, get it. And it's also cheap, but in good quality.
Pype bomb:
This muffer is REALY LOUD, I never knew that my car could be so loud by just replacing mufflers. If you're looking for a loud one, this is the right one to have. I don't hear myself talking in the car, specially bewteen 1750rpm-2250rpm. LOUD PIPES SAVE LIFES!
Flowmaster muffler:
Not that deep, not that loud, cheap and low quality.

The quality of these mufflers is excellent. They are made by Magnaflow and have a nice thick black ceramic coating that is show quality. They are also much lighter than the stock mufflers, weighing about 12.5 lbs each compared to 21 lbs each for the stockers. Installation was easy, all bolts and clamps use a 15 mm socket. You do have to cut or break off the tab and reuse the clamp off the old muffler.
The only negative I had with this product is that I had to cut off about 3/4" of the exit pipe on the right side muffler. That is because it prevented the new tip from sliding on far enough to match the alignment of the left side tip. For some reason the right side muffler mounts slightly rearward as compared to the left side muffler. This in turn prevents you from sliding the tip on far enough. On closer examination, I think my right side muffler was manufactured slightly off. I really didn't like the idea of having to modify the muffler, especially at this price point.
The sound has a very nice roar at start up and is deeper than stock. There is no more drone than what the stockers have so it's almost nothing. Overall, this is not a loud muffler but much deeper and that suits me just fine. The quality of the sound is way better than stock.
BTW - my Mustang is a Boss 302 with the side exit quad exhaust. Overall sound might be somewhat different on a GT.

Well I bought a 2014 RTR Spec II last year and it came with those mufflers installed. They really have a perfect look on my RTR with the black tips and the logo on 'em but for the sound I expected a bit more. They're not bad at all and they have a nice, deep and bubbling sound on a cold start but after a few minutes they'll get significantly quiet and the same happens when accelerating. Before the RTR I owned a 2010 GT with Flowmaster Outlaws which, in combination with BBK Shortys and X-Pipes, was way too loud so having something in between would not be that bad for me. If they could remain the sound as when cold started I'd give 5 stars :)

Fit and finish would get 5 stars but the outlet pipe on one of the mufflers was dented, had to have mechanic fix it. 1 hour to install by mechanic, volume was too low, expected to be louder than the previous flowmaster hushpower pro but was'nt. Exhaust note was excellent, no rasp or drone. A LITTLE louder than stock. Ceramic coating was flawless as was the separate tips. Kind of expensive, but if you want an upgrade from stock w/o being too loud, get these.

So I purchased these about 4 months ago and lets just say they are loud compared to the stock exhaust. When you start the car it has a loud deep sound to it, only thing is that I expected more but if you see the design it has it makes sense because if it was one chamber where the air flows out of it would be louder, but since it has 2 chambers that let the air out one being straight through make sense why its decent loud and why it gives it that extra 9 horsepower.

After watching the 2015 RTR Mustang Introduction video on youtube I was hooked on the RTR exhaust sound. The sound, quality, and fit/finish was everything I expected from RTR/Magnaflow. The sound on start-up is really mean, and then settles down once the car warms up. There is no drone on the highway whatsoever. Just as everybody else said these mufflers make a really nice deep sound, with little to no rasp. My favorite part of this exhaust is the de-acceleration sound it makes. The best way to describe it, is that it sounds like thunder. Its just a really great sound. You can't go wrong with this exhaust.

I had the Borla Atak axle back and it was beyond loud so it had to go. I also wanted something a little deeper sounding and not as raspy. I watched some videos of the RTR and it sounded pretty good so I decided to try them out and they are about half as loud as the Ataks. Plus with my white car and blacked out everything else I figured the tips would look good.
Overall the sound is pretty good. Its very deep but has kind of a muffled sound inside the car. Outside the car it sounds much better. I read how people said it seems to get quieter as you get on it more and it does seem to. There is also a drone at 2000 RPM although its not awful and can be covered up by having the stereo on. The Borlas had no drone whatsoever. The tips are not welded on which allows you to adjust them unlike the Borlas which stuck out too far and couldn't be moved. The tips are also much smaller than the Borlas.
Installation was pretty easy with a lift and 2 people but doing it on the ground would not be too fun since we had to remove the hanger brackets from the car to get the old mufflers out. It took about an hour to do the whole thing.

After listening to countless exhaust videos, I decided to try the Magnaflow RTR mufflers. I have a FRPP X-pipe and I did not want the raspy sound that the typical Coyote 5.0L exhibits. The idle sound is incredible with the FRPP ProCal II calibration. People cannot believe the motor is stock. There is no drone at 2000 rpm and the sound reminds me of a 1965 Ford Indy V8 on acceleration. I could not be happier with these mufflers.
I did swap out the black RTR tips for a custom polish tip. I prefer polished tips.

These mufflers have a very deep sound. Pretty loud with my off road H pipe and Lethal over axle pipes.... But I like loud! While they are loud in this configuration, they are not even close to the ridiculously loud Roush "mufflers" that these are replacing. The Roush's were great until the cats got removed... Then I had to go with a chambered muffler, and so far I like these!!

This axleback exhaust is great. I received it for Christmas, and had it installed a few days later. It is pricey for an axleback, but well worth it. On a cold start, it is loud then quiets to a deep rumble. It has almost no drone, a bit more than stock around 60-70 mph. Sounds like a V8 should, much better than the factory exhaust, and the black coating is an added bonus.

The perfect exhaust! I looked for months to find one the eliminated the natural rasp & pop of the new 5.0's. I wanted a deeps axle car sound. I apart bought the Roush axle back until I found this! I looked it up on YouTube & fell in love with it. Once I got it it took about 45 minutes to install & I was not disappointed. Perfect sound. It's how a mustang should sound! After the RPM's go over about 4,000 in 4-6 gears the exhaust quiets down so you can hear the engine over the exhaust. It's loud but due to the deep tone not the actual volume. Sounds great & people turn their heads when I start it up. Not over powering & no drone on the highways. Literally the perfect exhaust!!!

This exhaust set sounds awesome! Such a deep growl that sounds mean when you rev the engine, when you can hear it that is. I was expecting them to be louder than they are. On a scale of 1-10 (10 being loud and 1 being silent) I'd put the stock exhaust at a 4 and rtr exhaust at a 5 or 6. If you're behind the car it sounds awesome. If you're in the car the sound of the engine drowns it out at around 3000 rpms. Still with all that being said I do love the sound and along with the easy install and nice looking black tips I recommend this if you're looking for a medium loud exhaust with a beautiful deep growl.

I purchased this axle back from a different site since I had a coupon. It is a great, unique sounding exhaust. Like nothing I have heard yet. First I had the roush axle backs, which sounded great with the stock exhaust, but when I installed high flow 3" cats, and the heartthrob kit with flowpacks, the exhaust just became crazy loud! Then I purchased this kit. It seems to flow a lot better, and is certainly more quiet. 1-10, 10 being the loudest, it's about a 5 or 6. It actually gets quieter as you go faster. I think if I had the flowpacks removed, it would be just perfect. There is also no rasp or popping like the roush. It sounds very smooth!

As soon as I started it up I noticed it has a very deep growl and I fell in love. Just an amazing sound throughout all rpms. The sound of the exhaust is droned out by the engine at high rpms though because the exhaust isn't loud. On a scale from 1-10 10 being the loudest its about a 6. I would like for it to have been louder but with an offroad-h pipe I will be able to achieve exactly what I'm looking for. I love the distinct sound the exhaust gives off, different than any of the ones that my fellow mustang club members have.

I ordered this muffler set to quiet my 2013 GT. Previously I had Kook's Long Tube headers, X pipe, and high flow cats running to Flowmaster Outlaw pipes and mufflers. Way too loud, as everyone in a 2 mile radius could hear my car. The RTR mufflers quieted it down to a really nice rumble, I love the sound. But I definitely miss those Outlaw mufflers at times. The design needs a little fix though. The inlet for the pipes has a super short flange for the exhaust pipe, about 3/4", where the Flowmaster has about 3 inches. I couldn't get it secure and leak free, so I had no choice but it have it welded on. I don't mind that fix, just wish it would've been as simple as a clamp to hold it. Otherwise, it has great construction, looks good, and I love the new sound.

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I bought my first mustang when I was 15, it was a 93 cobra all original. I owned that car for about 12 years doing every possible modification you can think of to it ending with a built 347 dart block turbo engine, it put down 600hp to the wheels. My father got me into racing and mustangs, he was an...